Johannessen; Paul R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johannessen; Paul R..The latest application filed is for "method of and apparatus for implementing high speed data communication by phase (frequency) modulation of loran-c navigation system and the like using solid-state pulse transmitters and high-power solid state switching for dynamic antenna tuning".

Company Profile

0.12.2

Johannessen; Paul R. - Lexington MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method Of And Apparatus For Implementing High Speed Data Communication By Phase (frequency) Modulation Of Loran-c Navigation System Using Solid-state Pulse Transmitters And High-power Solid State Switching For Dynamic Antenna Tuning Grant 6,928,265 - Johannessen August 9, 2	2005-08-09
Method of and apparatus for implementing high speed data communication by phase (frequency) modulation of Loran-C navigation system and the like using solid-state pulse transmitters and high-power solid state switching for dynamic antenna tuning App 20030214435 - Johannessen, Paul R.	2003-11-20
Method of high-power switching and switch apparatus for frequency modulation within Loran-C signals App 20030027527 - Johannessen, Paul R.	2003-02-06
Ferrite crossed-loop antenna of optimal geometry and construction and method of forming same Grant 6,014,111 - Johannessen January 11, 2	2000-01-11
Pulse generator apparatus for RF pulse generation in tuned loads including series regulation and capacitor clamping method therefor Grant 5,969,439 - Johannessen October 19, 1	1999-10-19
Method of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for communications inbound from the mobile terminals and outbound from the base terminals via Loran communication signals Grant 5,278,568 - Enge , et al. January 11, 1	1994-01-11
Pulsed, pseudo random position fixing radio navigation method and system and the like Grant 4,423,419 - Johannessen December 27, 1	1983-12-27
Method of and apparatus for high voltage pulse generation Grant 4,274,134 - Johannessen June 16, 1	1981-06-16
Method of and apparatus for enabling soft-failure of modular power converter systems, including RF generator systems, embodying switching components in the power conversion Grant 4,191,992 - Johannessen March 4, 1	1980-03-04
Method of and apparatus for unambiguous radio navigation Grant 4,151,528 - Johannessen April 24, 1	1979-04-24
Radio-frequency pulse generation system and method Grant 3,889,263 - Johannessen June 10, 1	1975-06-10
Over-current Latch-up Protection Apparatus For Scr Inverter Circuits And The Like Grant 3,832,573 - Ver Planck , et al. August 27, 1	1974-08-27
Magnetic Pulse Compression Radio-frequency Generator Apparatus Grant 3,786,334 - Johannessen January 15, 1	1974-01-15
Apparatus And Method For Radio-frequency Pulse Generation In Tuned Radio-frequency Loads Grant 3,711,725 - Johannessen January 16, 1	1973-01-16

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